Someone

kernel = '/usr/lib/xen-4.0/boot/hvmloader'
builder = 'hvm'
memory = '512'
vcpus = 1
device_model = '/usr/lib/xen-4.0/bin/qemu-dm'

disk = ['file:/storage/domains/wintest/wintest.img,ioemu:hda,w',
	'file:/storage/isos/winxpsp3.iso,ioemu:hdc:cdrom,r']

name = 'wintest'

dhcp = 'dhcp'
vif = []

vfb = ['type=vnc,vncdisplay=11']